Re: [PATCH v2 0/5] perf tools: add meta-data header support in pipemode

[David Ahern]

On 5/15/12 7:34 PM, Namhyung Kim wrote:
> Hi, Stephane
>
> On Tue, 15 May 2012 13:28:10 +0200, Stephane Eranian wrote:
> > This patch series adds meta-data support to perf record/report in pipe
> > mode:
> > 	perf record -o - foo | perf inject -b | perf report -i -
> >
> > We had meta-data (information about host configuration, perf tool version,...)
> > in regular (file) mode but it was lacking in pipe mode. This patch series fixes
> > this.
>
> In addition to this change, I think it'd be great if we keep this
> meta-data somewhere for later use - I guess perf report and
> annotate on TUI, at least, will need it too. Just a suggestion :).
>
> Thanks,
> Namhyung

It is there -- see perf-report header. It gets dropped on pipe mode b/c 
the meta-data is in the header.

David
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